Preheat oven to 425.
In a large mixing bowl, combine dry ingredients (flour, sugar, baking powder, baking soda and ginger). Cut in vegan margarine, adding a bit at a time until mixed. Add pumpkin and combine well.

On a lightly floured surface, knead dough a few times, pushing it into a large circle, a few inches thick.

Cut into 12 or so triangular pieces. Imagine you are cutting a pizza so that you get even, triangular slices.